Business Segments Information (Financial Information By Geographic Area) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Segment Reporting Information [Line Items]
Revenues	$ 24,412	$ 24,222	$ 21,039
Property, Plant and Equipment, Total	3,509	3,437	3,287
United States And Canada [Member]
Segment Reporting Information [Line Items]
Sales by Destination	10,980	10,773	9,823
Property, Plant and Equipment	1,918	1,869	1,858
Asia [Member]
Segment Reporting Information [Line Items]
Sales by Destination	5,790	5,636	4,858
Property, Plant and Equipment	592	583	505
Europe [Member]
Segment Reporting Information [Line Items]
Sales by Destination	4,946	5,271	4,309
Property, Plant and Equipment	689	714	683
Latin America [Member]
Segment Reporting Information [Line Items]
Sales by Destination	1,430	1,319	1,065
Property, Plant and Equipment	293	262	229
Middle East/Africa [Member]
Segment Reporting Information [Line Items]
Sales by Destination	1,266	1,223	984
Property, Plant and Equipment	17	9	12
United States
Segment Reporting Information [Line Items]
Sales by Destination, Total	10,036	9,900	9,101
Property, Plant and Equipment	1,900	1,853	1,839
China
Segment Reporting Information [Line Items]
Sales by Destination	$ 3,012	$ 3,079	$ 2,692

Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in the entity's country of domicile.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

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Revenues from external customers attributed to the entity's country of domicile.

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Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues.

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Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

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